Define Radical

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asked Apr 23 in Class VIII Science by priya12 (-12,564 points)

Define:
(a) Radical
(b) Valency
(c) Molecular formula

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1 Answer

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answered Apr 23 by navnit40 (-4,746 points)

(a) Radical: A radical is an atom of an element or a group of atoms of different elements that behaves as a single unit with a positive or negative charge on it.
(b) Valency: It is the number of electrons donated or accepted by the valence shell of an atom during chemical combination.
(c) Molecular formula: It is a symbolic representation of a molecule. It shows the number of atoms of each element present in it. These atoms combine in whole number to form the molecule.